/* ═══════════════════════════════════════════════════════════
   I'M HUNGRY — Screen Layouts
   ═══════════════════════════════════════════════════════════ */

/* ── App Shell ── */
.app { display: flex; flex-direction: column; min-height: 100vh; max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 1; }
.app__header { padding: var(--space-lg) var(--space-lg) var(--space-md); }
.app__header h1 { font-size: var(--text-xl); }
.app__content { flex: 1; overflow-y: auto; padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-lg)); }
.screen { display: none; padding: 0 var(--space-lg); animation: fadeIn var(--duration-normal) var(--ease-out); }
.screen--active { display: block; }
.screen__title { font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-xs); }
.screen__subtitle { font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: var(--space-xl); }

/* ── Nav Bar ── */
.nav { position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: var(--max-width); height: var(--nav-height); padding-bottom: var(--safe-bottom); background: rgba(13,13,15,0.92); backdrop-filter: blur(24px); border-top: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: space-around; z-index: 100; }
.nav__item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 12px; color: var(--text-tertiary); font-size: var(--text-xs); font-weight: 500; transition: color var(--duration-fast); cursor: pointer; position: relative; -webkit-tap-highlight-color: transparent; }
.nav__item:hover { color: var(--text-secondary); }
.nav__item--active { color: var(--brand-text); }
.nav__item--active::before { content: ''; position: absolute; top: -1px; left: 25%; right: 25%; height: 2px; background: var(--brand-primary); border-radius: 0 0 2px 2px; }
.nav__icon { font-size: 1.35rem; line-height: 1; }
.nav__label { font-family: var(--font-display); }

/* ── FAB (AI Button) ── */
.fab { position: fixed; bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-md)); right: calc((100% - var(--max-width)) / 2 + var(--space-lg)); width: var(--fab-size); height: var(--fab-size); border-radius: 50%; background: linear-gradient(135deg, var(--brand-primary), var(--gold-600)); color: var(--text-on-accent); font-size: 1.5rem; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-glow); z-index: 99; transition: all var(--duration-normal) var(--ease-out); animation: glowPulse 3s ease-in-out infinite; cursor: pointer; }
.fab:hover { transform: scale(1.08); box-shadow: var(--shadow-glow-strong); }
.fab:active { transform: scale(0.95); }
@media (max-width: 480px) { .fab { right: var(--space-lg); } }

/* ── Onboarding ── */
.onboarding { position: fixed; inset: 0; background: var(--bg-primary); z-index: 999; display: flex; flex-direction: column; }
.onboarding__progress { padding: var(--space-lg) var(--space-lg) 0; }
.onboarding__progress-bar { height: 4px; background: var(--bg-card); border-radius: var(--radius-full); overflow: hidden; margin-bottom: var(--space-sm); }
.onboarding__progress-fill { height: 100%; background: linear-gradient(90deg, var(--brand-primary), var(--gold-300)); border-radius: var(--radius-full); transition: width var(--duration-slow) var(--ease-out); }
.onboarding__step-label { font-size: var(--text-xs); color: var(--text-tertiary); text-align: center; }
.onboarding__content { flex: 1; overflow-y: auto; max-width: var(--max-width); margin: 0 auto; width: 100%; padding: var(--space-2xl) var(--space-lg); }
.onboarding__emoji { font-size: 3.5rem; margin-bottom: var(--space-lg); line-height: 1; }
.onboarding__title { font-size: var(--text-2xl); font-weight: 700; margin-bottom: var(--space-sm); }
.onboarding__desc { font-size: var(--text-base); color: var(--text-secondary); margin-bottom: var(--space-xl); line-height: var(--leading-relaxed); }
.onboarding__footer { padding: var(--space-md) var(--space-lg) var(--space-xl); max-width: var(--max-width); margin: 0 auto; width: 100%; display: flex; gap: var(--space-sm); }
.onboarding__footer .btn { flex: 1; }

/* ── Home Screen ── */
.home-greeting { margin-bottom: var(--space-lg); }
.home-greeting__time { font-size: var(--text-sm); color: var(--text-tertiary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.home-greeting__name { font-size: var(--text-2xl); font-weight: 700; margin-top: var(--space-xs); }
.meal-strip { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.meal-slot { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); backdrop-filter: blur(var(--glass-blur)); transition: all var(--duration-normal) var(--ease-out); cursor: pointer; }
.meal-slot:hover { border-color: rgba(255,255,255,0.1); }
.meal-slot--logged { border-color: rgba(67,160,71,0.2); }
.meal-slot__type { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); min-width: 60px; }
.meal-slot__meal { flex: 1; font-weight: 500; }
.meal-slot__source { font-size: var(--text-xs); color: var(--text-tertiary); }
.meal-slot__action { font-size: 1.25rem; color: var(--text-tertiary); }
.panels-grid { display: flex; flex-direction: column; gap: var(--space-md); }

/* ── Planning ── */
.plan-tabs { display: flex; gap: var(--space-xs); margin-bottom: var(--space-lg); }
.plan-tab { padding: 8px 16px; border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 500; color: var(--text-tertiary); cursor: pointer; transition: all var(--duration-fast); }
.plan-tab--active { background: color-mix(in srgb, var(--brand-primary) 12%, transparent); color: var(--brand-text); }
.week-grid { display: flex; flex-direction: column; gap: var(--space-xs); }
.week-day { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); overflow: hidden; }
.week-day__header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-sm) var(--space-md); background: rgba(255,255,255,0.02); cursor: pointer; }
.week-day__name { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; }
.week-day__date { font-size: var(--text-xs); color: var(--text-tertiary); }
.week-day__type-badge { font-size: var(--text-xs); padding: 2px 8px; border-radius: var(--radius-full); }
.week-day__meals { display: none; padding: var(--space-sm) var(--space-md) var(--space-md); }
.week-day--expanded .week-day__meals { display: block; }
.week-day--today { border-color: color-mix(in srgb, var(--brand-primary) 20%, transparent); }
.week-day--fufu { border-color: rgba(141,110,99,0.3); }
.day-meal-row { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-xs) 0; font-size: var(--text-sm); }
.day-meal-row__type { color: var(--text-tertiary); min-width: 55px; font-size: var(--text-xs); text-transform: uppercase; }
.day-meal-row__name { flex: 1; }

/* ── Pantry ── */
.pantry-filters { margin-bottom: var(--space-lg); }
.pantry-category { margin-bottom: var(--space-lg); }
.pantry-category__title { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-sm); display: flex; align-items: center; gap: var(--space-sm); }
.pantry-item { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); margin-bottom: var(--space-xs); cursor: pointer; transition: all var(--duration-fast); }
.pantry-item:hover { border-color: rgba(255,255,255,0.1); }
.pantry-item__info { flex: 1; }
.pantry-item__name { font-weight: 500; font-size: var(--text-base); }
.pantry-item__detail { font-size: var(--text-xs); color: var(--text-tertiary); margin-top: 2px; }
.pantry-item__status { flex-shrink: 0; }

/* ── Meal Log ── */
.log-flow { display: flex; flex-direction: column; gap: var(--space-lg); }
.log-flow__step { animation: fadeInUp var(--duration-slow) var(--ease-out); }
.log-flow__step-title { font-family: var(--font-display); font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-md); display: flex; align-items: center; gap: var(--space-sm); }
.log-flow__step-num { width: 28px; height: 28px; border-radius: 50%; background: color-mix(in srgb, var(--brand-primary) 12%, transparent); color: var(--brand-text); display: flex; align-items: center; justify-content: center; font-size: var(--text-sm); font-weight: 700; flex-shrink: 0; }
.empty-state__text {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  max-width: 280px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════
   STORAGE (VISUAL FRIDGE)
   ═══════════════════════════════════════════════════════════ */
.storage-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-top: var(--space-md);
}

.storage-zone {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.storage-zone__header {
  background: var(--surface-hover);
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  font-size: var(--text-md);
  color: var(--text-primary);
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: inset 0 -4px 10px rgba(0,0,0,0.05);
}

.storage-zone__shelf {
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}

.storage-zone__shelf .pantry-item {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  margin-bottom: var(--space-xs);
}
.log-history { display: flex; flex-direction: column; gap: var(--space-sm); }
.log-entry { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); }
.log-entry__time { font-size: var(--text-xs); color: var(--text-tertiary); min-width: 50px; text-align: center; }
.log-entry__info { flex: 1; }
.log-entry__meal { font-weight: 500; }
.log-entry__meta { font-size: var(--text-xs); color: var(--text-secondary); margin-top: 2px; }
.log-entry__cost { font-family: var(--font-display); font-weight: 600; color: var(--brand-text); font-size: var(--text-sm); }

/* ── Budget ── */
.budget-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); margin-bottom: var(--space-lg); }
.budget-summary .budget-tile { text-align: center; padding: var(--space-md); }
.budget-summary .budget-tile__amount { font-size: var(--text-lg); }
.budget-categories { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.budget-cat-tile { padding: var(--space-md); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); }
.budget-cat-tile__icon { font-size: 1.25rem; margin-bottom: var(--space-xs); }
.budget-cat-tile__amount { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.budget-cat-tile__label { font-size: var(--text-xs); color: var(--text-secondary); }

/* ── Settings ── */
.settings-section { margin-bottom: var(--space-lg); }
.setting-row { display: flex; align-items: center; justify-content: space-between; padding: var(--space-md) 0; border-bottom: 1px solid var(--glass-border); }
.setting-row:last-child { border-bottom: none; }
.setting-row__info { flex: 1; }
.setting-row__label { font-weight: 500; font-size: var(--text-base); }
.setting-row__desc { font-size: var(--text-xs); color: var(--text-tertiary); margin-top: 2px; }
.setting-row__control { flex-shrink: 0; }

/* ── Quick Plan Flow ── */
.quick-plan__header { text-align: center; margin-bottom: var(--space-xl); }
.quick-plan__step-indicator { display: flex; justify-content: center; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.quick-plan__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bg-card); transition: all var(--duration-normal); }
.quick-plan__dot--active { background: var(--brand-primary); width: 24px; border-radius: var(--radius-full); }
.quick-plan__dot--done { background: var(--success); }
.quick-plan__body { animation: fadeInUp var(--duration-slow) var(--ease-out); }
.quick-plan__actions { display: flex; gap: var(--space-sm); margin-top: var(--space-xl); }
.quick-plan__actions .btn { flex: 1; }

/* ── Cook Session ── */
.cook-flow { display: flex; flex-direction: column; gap: var(--space-lg); }

/* ── Waste Selector ── */
.waste-selector { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); }
.waste-option { display: flex; flex-direction: column; align-items: center; gap: var(--space-xs); padding: var(--space-md); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); cursor: pointer; transition: all var(--duration-fast); }
.waste-option:hover { border-color: rgba(255,255,255,0.1); }
.waste-option--selected { border-color: var(--brand-text); background: rgba(255,193,7,0.06); }
.waste-option__icon { font-size: 1.5rem; }
.waste-option__label { font-size: var(--text-xs); font-weight: 500; }

/* ── List Items ── */
.list-item { display: flex; align-items: center; justify-content: space-between; padding: var(--space-sm) 0; border-bottom: 1px solid var(--glass-border); }
.list-item:last-child { border-bottom: none; }
.list-item__content { flex: 1; }
.list-item__title { font-weight: 500; font-size: var(--text-sm); }
.list-item__subtitle { font-size: var(--text-xs); color: var(--text-tertiary); margin-top: 2px; }
.list-item__trailing { font-size: var(--text-sm); color: var(--text-secondary); flex-shrink: 0; }

/* ── Divider ── */
.divider { height: 1px; background: var(--glass-border); margin: var(--space-md) 0; }

/* ── Card Variants ── */
.card--accent { border-color: color-mix(in srgb, var(--brand-primary) 20%, transparent); background: rgba(255,193,7,0.04); }
.card--success { border-color: rgba(67,160,71,0.2); background: rgba(67,160,71,0.04); }
.card--warning { border-color: rgba(255,152,0,0.2); background: rgba(255,152,0,0.04); }
.card--danger { border-color: rgba(229,57,53,0.2); background: rgba(229,57,53,0.04); }
.card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-sm); margin-bottom: var(--space-md); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); }
.card__subtitle { font-size: var(--text-xs); color: var(--text-secondary); margin-top: 2px; }
.card__icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-size: 1.25rem; flex-shrink: 0; }
.card__icon--gold { background: color-mix(in srgb, var(--brand-primary) 12%, transparent); }
.card__icon--green { background: rgba(67,160,71,0.12); }

/* ── Badge Extra Variants ── */
.badge--logged { background: rgba(67,160,71,0.12); color: var(--success); }

/* ═══════════════════════════════════════════════════════════
   DESKTOP RESPONSIVE MULTI-COLUMN LAYOUTS
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 768px) {
  /* ── Sidebar Navigation ── */
  .app {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .nav {
    position: sticky;
    top: 0;
    left: 0;
    transform: none;
    width: var(--sidebar-width);
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    border-top: none;
    border-right: 1px solid var(--glass-border);
    padding: var(--space-2xl) 0;
    background: rgba(13,13,15,0.4);
    z-index: 100;
  }
  
  .nav__item {
    width: 100%;
    padding: var(--space-md);
  }
  
  .nav__item--active::before {
    top: 25%;
    bottom: 25%;
    left: 0;
    width: 3px;
    height: auto;
    border-radius: 0 3px 3px 0;
  }
  
  .nav__icon { font-size: 1.75rem; }
  .nav__label { margin-top: 8px; font-size: var(--text-sm); }
  
  .app__content {
    flex: 1;
    padding-bottom: var(--space-3xl);
    padding-top: var(--space-2xl);
    max-width: calc(100% - var(--sidebar-width));
  }
  
  .fab {
    bottom: var(--space-2xl);
    right: var(--space-2xl);
    width: 72px;
    height: 72px;
    font-size: 2rem;
  }
  
  /* ── Screen Grids ── */
  .panels-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
    gap: var(--space-lg);
  }
  
  .budget-summary, .budget-categories {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
  
  .pantry-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .pantry-category {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  .pantry-category__title {
    grid-column: 1 / -1;
  }
  
  .quick-plan__actions {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1024px) {
  /* ── Expanded Sidebar for Ultra-Wide ── */
  .nav {
    width: var(--sidebar-width-expanded);
    align-items: flex-start;
    padding: var(--space-3xl) var(--space-xl);
    justify-content: flex-start;
  }
  
  .nav__item {
    flex-direction: row;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast);
  }
  
  .nav__item:hover {
    background: rgba(255, 255, 255, 0.03);
  }
  
  .nav__item--active {
    background: rgba(255, 193, 7, 0.08);
  }
  
  .nav__item--active::before {
    display: none;
  }
  
  .nav__icon { font-size: 1.5rem; }
  .nav__label { margin-top: 0; font-size: var(--text-base); font-weight: 600; }
  
  .app__content {
    max-width: calc(100% - var(--sidebar-width-expanded));
    padding-left: var(--space-2xl);
    padding-right: var(--space-2xl);
  }
  
  /* ── Wide Screen Specific Grids ── */
  .week-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-md);
    align-items: stretch;
  }
  
  .week-day__meals { display: block; } /* Always show meals on desktop */
  .week-day__header { pointer-events: none; } /* Disable accordion on desktop */
  
  .log-history {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .pantry-category {
    grid-template-columns: repeat(3, 1fr);
  }
}